Metals with More Than One Charge | LearnSight Systems
Video · 1 min 58 s·TEKS 7(B)
Metals with More Than One Charge
Why iron and copper need Roman numerals: find the metal's charge from the negative ions, write it as a numeral (iron(III) chloride), watch the PbO₂ shortcut trap, and go back from a name to a formula.